From 4b5b7129095b265ba3bae8a6553d22a41e078b96 Mon Sep 17 00:00:00 2001 From: Ren Yu Date: Mon, 25 Apr 2022 18:04:36 +0800 Subject: [PATCH] perf: check return value of armpmu_request_irq() When the function armpmu_request_irq() failed, goto err Signed-off-by: Ren Yu Link: https://lore.kernel.org/r/20220425100436.4881-1-renyu@nfschina.com Signed-off-by: Will Deacon --- drivers/perf/arm_pmu_acpi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/perf/arm_pmu_acpi.c b/drivers/perf/arm_pmu_acpi.c index f5c7a845cd7b..96ffadd654ff 100644 --- a/drivers/perf/arm_pmu_acpi.c +++ b/drivers/perf/arm_pmu_acpi.c @@ -159,7 +159,9 @@ static int arm_pmu_acpi_parse_irqs(void) * them with their PMUs. */ per_cpu(pmu_irqs, cpu) = irq; - armpmu_request_irq(irq, cpu); + err = armpmu_request_irq(irq, cpu); + if (err) + goto out_err; } return 0; -- 2.20.1